Question

Usually, I putExtra inside an Intent to transfer stuff between Activities.

But it seems like I can’t do this with a Service?

Bundle extras = getIntent().getExtras();

That doesn’t work for a android Service. How do I send a string from an Activity to a Service then?

Answer 1

The same way as you did with the Activity. You will get the Intent in the onStart() callback method, which you would need to override. That will be called whenever a client calls startService() for your Service, supplying the Intent in question.